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avoid access violation with empty string s -> length == 0

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This commit is contained in:
Christian Grasser 2015-06-11 11:22:05 +02:00
parent 4cfdd40497
commit 9d9be045ae
1 changed files with 2 additions and 2 deletions
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4
scintilla/lexers/LexUser.cxx
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@ -635,13 +635,13 @@ static inline void SubGroup(const char * s, vvstring & vec, bool group=false)
for (unsigned int j=0; j<length+1; ++j) for (unsigned int j=0; j<length+1; ++j)
temp[j] = 0; temp[j] = 0;
if (s[0] == '(' && s[1] == '(') if (length >= 2 && s[0] == '(' && s[1] == '(')
{ {
i = 2; i = 2;
group = true; group = true;
} }
if (s[length-1] == ')' && s[length-2] == ')') if (length >= 2 && s[length - 1] == ')' && s[length - 2] == ')')
length -= 2; length -= 2;
if (!group && *s) if (!group && *s)